Specs for Donnay X-Dual Gold 99
| Strung weight | 11.5oz / 326.02g |
| Balance | 6 pts Head Light |
| Head size | 99 sq. in. / 638.71 sq. cm. |
| Stiffness | Average - 42% (63 RA) |
| Recommended tension | 50-60 pounds |
| Swing weight | 316 kg · cm2 |
| String pattern | 16 Mains / 19 Crosses Mains skip: 7T, 9T, 7H, 9H Two Pieces No Shared Holes |
| Length | 27in / 68.58cm |
| Beam width | 16mm / 18mm / 18mm / |
| Composition | Graphite w/ inner and outer XeneCore |
| Power level | Low |
| Stroke style | Full |
| Swing speed | Fast |
| Colors | Black / Gold |
| Grip type | Synthetic |